The old man put his oars (船桨)in the water and _______ the smooth surface of the lake.
—May I have a look at those books?—______.
In 1942, Columbus and his crew arrived ________ was so-called the New World by the westerners.
The position, however, ________ you are applying, is not quite a well paid one.
After a new reform, the number of the products in the factory is now ________ it was in 2003.
Martin and his friends didn’t eat up all the food they ordered, _____ they took the rest away.